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Planting Calendar · Zone 9B

When to plant parsnip in zone 9b

In USDA zone 9b, sow parsnip around Jan 18, and harvest from Apr 28.

Brad FerradaWritten by Brad Ferrada, who built Garzed · planting data from university extensions
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Showing USDA Zone 9B
Growing SeasonZone 9b
Last frost ~Feb 15First frost ~Dec 10Today
Start indoorsTransplant / sowHarvestFrost risk
JANFEBMARAPRMAYJUN
Sow Jan 18 · First harvest Apr 28 · Wrap by Jun 9
Last spring frostFeb 15
Direct sowJan 18
First harvestApr 28
Last harvestJun 9
First fall frostDec 10

Why these dates work in zone 9b

Zone 9b's last spring frost averages Feb 15 and first fall frost Dec 10 — about 298 frost-free days. Parsnip tolerates light frost, so you can sow ahead of the last-frost date and keep harvesting into the cooler fall.

Common questions

How long does parsnip take to grow in zone 9b?

Parsnip matures in about 100–130 days from sowing. In zone 9b that means sowing around Jan 18 and first picking around Apr 28.

Will parsnip survive frost in zone 9b?

Yes — parsnip tolerates light frost. In zone 9b you can sow a little before the last frost (around Feb 15) and keep harvesting past the first fall frost (around Dec 10).

For soil, spacing, pests and companion planting, see the full parsnip growing guide →